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Archive 2009 · Canon EOS 7D Master thread

  
 
halse
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p.111 #1 · Canon EOS 7D Master thread


those are cosmos bipinnatus, they self seed in some parts of the US but are native to Mexico


Oct 06, 2009 at 09:25 PM
ExxWhy
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p.111 #2 · Canon EOS 7D Master thread


Thanks for the ID. I would guess one of the teachers planted this patch on the school grounds, there was an area about 50X20 ft with lot's of them. This time of year, I suspect it's very popular with any sort of bee as there aren't so many flowers in bloom. Was quite a colorful patch!


Oct 06, 2009 at 10:46 PM
ultimaterowdy
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p.111 #3 · Canon EOS 7D Master thread


thanks for the pics. the 300 f4 is so versatile!!


Oct 06, 2009 at 11:05 PM
corndog
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p.111 #4 · Canon EOS 7D Master thread


Hey guys, I flat refuse to roll through 90 pages to find an answer, but have you guys discussed the battery at all? One of the reasons the 1d is so snappy is the circuitry/battery are able to provide more power to the lens motor. The new 7D battery is no longer a lithium ion, it's finally a lithium polymer, and the capacity in on par with the 1d. A modern li-po can discharge around 20c, which is like 36amps for a 1.8ah pack. I think it's a good sign to the af speed, have we heard any 1D comparisons yet?

Edit: Blast, It's a lithium ion, no polymer, ignore me.

Edited on Oct 07, 2009 at 10:17 PM · View previous versions



Oct 06, 2009 at 11:47 PM
JazzyMac
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p.111 #5 · Canon EOS 7D Master thread


I can say for certain that the battery has not been discussed in that language at all!


Oct 07, 2009 at 12:47 AM
keithreeder
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p.111 #6 · Canon EOS 7D Master thread


Sal Baker wrote:
Unfortunately, the 7D has its own banding issues.


"Issues" is a strong word for what's going on, IMHO - banding might be observable if you shoot low ISOs and have a need to crank the EC to 2 or 3 in post to get detail out of shadows, and depending on the converter you use.

Not a problem for the vast majority of us, I'll bet...



Oct 07, 2009 at 01:54 AM
K. Simpson
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p.111 #7 · Canon EOS 7D Master thread


On page 87 of this thread I posted images from the Canon 7D. All different ISO's, the b/w was ISO 6400, aperture wide open at f/2.8. No noiseware or smoothing applied. Other images was from lower ISO's , all the way down to 100. Didn't observe any banding. This is the best camera body I've handled bar none. Focus spot on, auto white balance performance was outstanding.

Trust me, this one is a big winner.



Oct 07, 2009 at 06:55 AM
Greg Schneider
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p.111 #8 · Canon EOS 7D Master thread


corndog wrote:
Hey guys, I flat refuse to roll through 90 pages to find an answer, but have you guys discussed the battery at all? One of the reasons the 1d is so snappy is the circuitry/battery are able to provide more power to the lens motor. The new 7D battery is no longer a lithium ion, it's finally a lithium polymer, and the capacity in on par with the 1d. A modern li-po can discharge around 20c, which is like 36amps for a 1.8ah pack. I think it's a good sign to the af speed, have we heard any 1D comparisons
...Show more

From what I've seen here, the 1D3 may be just a *touch*, and I really mean just a hair snappier in initial acquisition. My money is on the 7D for tracking though, it seems extremely stable and quick to focus, even on very low contrast subjects.



Oct 07, 2009 at 07:52 AM
Fred Tedsen
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p.111 #9 · Canon EOS 7D Master thread


keithreeder wrote:
"Issues" is a strong word for what's going on, IMHO - banding might be observable if you shoot low ISOs and have a need to crank the EC to 2 or 3 in post to get detail out of shadows, and depending on the converter you use.

Not a problem for the vast majority of us, I'll bet...

I downloaded some of the examples from the threads on this issue at DPR to see for myself. My initial reaction was oh crap, this is really bad and I don't want a camera that does that. But then I decided to take a look at some of my 20D images to see if I could find anything like it. So following the same procedure as they did and cranking fill light way up, not only did I find it, it was much worse. I then realized that this is a non-issue, at least for me. If I never noticed it in 10's of thousands of 20D images, I'm never going to see on on the 7D either.



Oct 07, 2009 at 08:59 AM
brainiac
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p.111 #10 · Canon EOS 7D Master thread


I tried out a 7D yesterday and it looks great in all of the documented ways. Great high iso for a crop camera, nicer to hold and grip than a 5D2, and all the features looked great. I held up the viewfinder next to my 5D2's, and found that there is only a very slightly larger view in the 5D2 finder. It seems truer, but since the 7D can't even take a manual focus screen, I don't think anybody's going to notice that. That's 99% of the camera dealt with, now for the gripes:

- the focus screen certainly doesn't allow accurate manual focussing of f2 and brighter lenses. Could even be a problem for lenses like the 300 f2.8. This is a deal breaker for me. I need to be able to have a good chance of off-centre manual focussing at f1.4, or what's the point of having spent all that money on fancy L glass. Or even having a prism at all?

- the combined liveview/video button is a usability disaster. The camera should have been configurable so that the raw/jpeg button starts liveview, and the liveview/video button starts video recording, WHETHER OR NOT THE LIVEVIEW IS ALREADY ACTIVE. Perhaps I didn't find an existing way of fixing this, but I looked at all the custom function settings. As it stands, if you want to shoot video you have to press the video/liveview button twice. That's right, twice. The first press starts liveview, and the second starts video recording. You may well also have to switch it from liveview mode to video mode. 3 steps, count them, and the first one is modal - you may have to do it, you may not, but you will always have to check whether you need to do it. As someone who uses these combined stills and video cameras to shoot... combined stills and video, this is a disaster for me. On my 5D2's I have the set button set to start video recording, regardless of what else the camera is doing. It seems like the 7D can't be used like that. It gets worse though: it also seems like there is no way to start liveview except with the liveview/video button. If you regularly shoot stills, AND use liveview, AND shoot video, this is going to drive you mad as you will forever be flipping the switch between the two modes, or checking whether you need to. I don't understand how the interface geniuses at Canon have managed to add an extra button, AND an extra switch, and end up with a less ready camera. Perhaps someone can enlighten me where I'm going wrong.

- another deal breaker for me is this: you can't shoot video with flash, so that means you want bright glass, especially for that nice cinematic narrow d.o.f. look. But you also can't turn video on its side, generally, so for video you need somewhat wider focal lengths than for stills. What's more, the best way of avoiding that horrible shaky home video look is to shoot with a wideangle lens, as wideangles dramatically reduce the effect of shaky hands and movement on video. On the 5D2 the 24 f1.4 is a perfect balance of brightness and wideangle, making it the killer video lens. The 1.6 crop spoils all that. This camera is much more limited for shooting video handheld in low light, and considering that it is only GBP 150 cheaper than a 5D2 at my local dealer, for anyone contemplating a combined stills and video camera, I think the 5D2 is a far far better deal. I know that is not an issue for most people here, so please don't jump in with the "I don't shoot video because I am FM stills elite", I just think it's an important distinction between the two formats for those who do use the video feature.

The 1.3 crop 16Mpixel 1D4 with 7D AF on steroids should be announced by the 27th October, so that will probably set a new bar for combined AF and video cameras, but if you never need to be able to focus an f2 or f1.4 lens manually, the 7D looks great.



Oct 07, 2009 at 09:51 AM
rscheffler
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p.111 #11 · Canon EOS 7D Master thread


brainiac wrote:
I tried out a 7D yesterday and it looks great in all of the documented ways. Great high iso for a crop camera, nicer to hold and grip than a 5D2, and all the features looked great. I held up the viewfinder next to my 5D2's, and found that there is only a very slightly larger view in the 5D2 finder. It seems truer, but since the 7D can't even take a manual focus screen, I don't think anybody's going to notice that. That's 99% of the camera dealt with, now for the gripes:

- the focus screen certainly doesn't allow
...Show more

Richard, that's interesting about the inability to MF faster lenses accurately. Each will have their own opinions about this and my take is it might not be as bad for me (because I don't own any MF alt glass) if the AF, especially the peripheral points, are accurate with fast glass like the 85L, 50 1.2L, etc.

Back when I was using IINs I found it absolutely necessary to use the Ec-S screen because the peripheral points were often hopeless at accurately AFing. This was initially also the case with the III, but after the peripheral AF 'fix' earlier this year, the camera has been much more consistent, to the point where it is usually better than I am with MF. And if the 7D's AF is an indicator to where the IV will go, and so far the signs are that its AF performs well with fast glass and peripheral points... then I could probably live with AF most of the time.

Again, it doesn't help the alt glass users, which I believe you are, or others like Cogitech... I anticipate someone will say "just use live view" but obviously LV is not an option for fast changing, fluid situations...

Hopefully the IV, being a pro camera, will still allow MF screen options.


Ron



Oct 07, 2009 at 10:14 AM
mfurman
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p.111 #12 · Canon EOS 7D Master thread


brainiac:
considering that it is only GBP 150 cheaper than a 5D2 at my local deale


That is the part, in what you have written, that I did not understand
Is there really so little price difference in UK? It is C$1200 for me.



Oct 07, 2009 at 10:18 AM
brainiac
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p.111 #13 · Canon EOS 7D Master thread


mfurman wrote:
That is the part, in what you have written, that I did not understand
Is there really so little price difference in UK? It is C$1200 for me.


GBP 1700 for 7D, 1850 for 5D2. Canon skanks brits with new camera prices. We brits must be daft enough to pay. But the 5D2 has just dropped in price, which suggests to me that sales are finally slowing up and stock is buffering up, in the UK at least.



Oct 07, 2009 at 10:31 AM
headroom
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p.111 #14 · Canon EOS 7D Master thread


Hopefully the IV, being a pro camera, will still allow MF screen options.
Ron
But with lenses slower like 2.8 or 4.5 you think its possbile to focus on the 7D? I have a Sigma Apo 4.5 500 mm from my Contax use it with 40D Katzeye superduper Microprism Splitscreen and its great to focus. I am on a waiting list for it.Here in Switzerland we have not reveived any 7D yet....



Oct 07, 2009 at 10:33 AM
brainiac
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p.111 #15 · Canon EOS 7D Master thread


headroom wrote:
But with lenses slower like 2.8 or 4.5 you think its possbile to focus on the 7D?


Probably, but don't take my word for it. If you are f2.8 manual focusser, test the camera with an f2.8 lens and look at your results before deciding if you think it's accurate enough.

That said, I'm not even sure the screen was anywhere near calibrated in the 7D I tried. It seemed way off, and I did shoot some shots with an alt lens at f2.8, without great success.



Oct 07, 2009 at 10:42 AM
Tom_W
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p.111 #16 · Canon EOS 7D Master thread


brainiac wrote:
That said, I'm not even sure the screen was anywhere near calibrated in the 7D I tried. It seemed way off, and I did shoot some shots with an alt lens at f2.8, without great success.


It may sound silly, but was the dioptor adjusted correctly? I've been fooled by that more than once. A seemingly "set and forget" adjustment, but I've managed on more than one occasion to bump my dioptor adjustment up or down a few clicks without realizing it.



Oct 07, 2009 at 10:55 AM
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p.111 #17 · Canon EOS 7D Master thread


brainiac wrote:
That said, I'm not even sure the screen was anywhere near calibrated in the 7D I tried. It seemed way off, and I did shoot some shots with an alt lens at f2.8, without great success.


In Canon's rush to get this camera to market, are we seeing an increase in potential QA issues across the board, across all manufacturers?

Is it just Canon, or Nikon as well?

Or are we just documenting more potential QA issues more quickly, due to the instantaneous availability of information via the Internet?



Oct 07, 2009 at 10:59 AM
keithreeder
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p.111 #18 · Canon EOS 7D Master thread


Fred Tedsen wrote:
If I never noticed it in 10's of thousands of 20D images, I'm never going to see on on the 7D either.


Hi Fred,

don't get me wrong, I'm not denying that these artifacts exist when a file is "abused", but in my real world I've never, ever had to crank up a shadows/fill light function so far that there was any risk of this kind of banding in my images.

To my mind, if I've taken an image that needed that much work on exposure and shadows, I've stuffed it up - I'm not really inclined to blame the camera after the event.



Oct 07, 2009 at 11:10 AM
keithreeder
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p.111 #19 · Canon EOS 7D Master thread


cameron12x wrote:
Or are we just documenting more potential QA issues more quickly, due to the instantaneous availability of information via the Internet?


It's a combination of the ease with which hysteria can be whipped up on the internet combined with an apparent need in some people to be the first to say "have you seen this??

And no, it's not just Canon.



Oct 07, 2009 at 11:13 AM
Yohan Pamudji
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p.111 #20 · Canon EOS 7D Master thread


Thanks for the MF report, brainiac. Here's hoping the 5DII replacement (or 3D?) and up will still offer optional high precision focusing screens, because the 7D is out of the frame for the alt crowd and those who often need to manual focus large aperture lenses in conditions where AF doesn't cut it.


Oct 07, 2009 at 11:35 AM
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